202211012212217 has 2 divisors, whose sum is σ = 202211012212218. Its totient is φ = 202211012212216.

The previous prime is 202211012212189. The next prime is 202211012212271. The reversal of 202211012212217 is 712212210112202.

It is a happy number.

Together with next prime (202211012212271) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176677556424121 + 25533455788096 = 13292011^2 + 5053064^2 .

It is a cyclic number.

It is not a de Polignac number, because 202211012212217 - 2⁴⁴ = 184618826167801 is a prime.

It is not a weakly prime, because it can be changed into another prime (202211012212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101105506106108 + 101105506106109.

It is an arithmetic number, because the mean of its divisors is an integer number (101105506106109).

Almost surely, 2^{202211012212217} is an apocalyptic number.

It is an amenable number.

202211012212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

202211012212217 is an equidigital number, since it uses as much as digits as its factorization.

202211012212217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 26.

Adding to 202211012212217 its reverse (712212210112202), we get a palindrome (914423222324419).

The spelling of 202211012212217 in words is "two hundred two trillion, two hundred eleven billion, twelve million, two hundred twelve thousand, two hundred seventeen".